Filter Selection Guide

10
Air Filter Selection Guide
Extended Surface Bag Filters
Precision Pak
Spun Glass or Synthetic Media Bag Filters - (Model # PAP)
Designed for use in most commercial or industrial HVAC systems where medium
to high efficiency filtration is required. Available in two media types: lofted
fiberglass and micro-fine synthetic media with average efficiency ranges of 55%,
65%, 85%, and 95% per ASHRAE Standard 52.1 test methods. Offered MERV 10-15
according to ASHRAE Std. 52.2. Operating face velocities up to 625 fpm are
available for all models. Precision Pak filters in depths up to 22” are suited for
variable air volume systems. Filters with greater depth are not recommended.
UL 900 Class 2 listed as a standard and are also available in UL Class I in both
synthetic and glass media.
Physical Data
Media: Lofted fiberglass or micro-fine synthetic
Media Backer: Non-woven polyester
Pocket Sealant: Thermoplastic resin
Pocket Retainer: Corrosion-resistant steel
Header: 13/16” wide corrosion-resistant steel
Operating Limits: 100% RH and 180°F
Actual Header Face Size: Nominal size less
5/8” (e.g., a nominal 24” x 24” filter header is actually 23-3/8” x
23-3/8”)
Precision Pak XDH
High Dust Holding Capacity Bag Filters - (Model # XDH)
Designed for use in most commercial or industrial HVAC systems where medium
to high efficiency filtration is required. Precision Pak XDH filters are available
in micro-fine polyolefin synthetic media with average efficiency ranges of 65%,
85% and 95% per ASHRAE Standard 52.1 test methods, offered MERV 11-14 per
ASHRAE 52.2. Operating face velocities up to 625 fpm are available for all
models.
Physical Data
Media: Dual Phase, 100% Synthetic
Media Backer: Non-woven polyester
Pocket Sealant: Thermoplastic resin
Pocket Retainer: Corrosion Resistant steel
Header: 13/16” wide corrosion resistant
Operating Limits: 100% RH and 180° F
Actual Header Face Size: Nominal size less 5/8” (e.g., a nominal 24” x 24”
filter header is actually 23-3/8” x 23-3/8”)